libpng version 1.6.38

Dear libpng users,

After a long delay, I am very pleased to announce that libpng-1.6.38
is available for download
at its usual SourceForge location:

https://sourceforge.net/projects/libpng/files/libpng16/1.6.38/

This is a maintenance release, with no new features, but with numerous
fixes and improvements of various kinds. The ANNOUNCE file, found in
the archive, contains the brief description of additions, while the
Git log will show you the entire list of changes from the previous tag
(v1.6.37) to the current tag (v1.6.38).

The process of ever-improving this library is still ongoing. Most
notably, externally-contributed tools like pngcp and pngfix still need
fixing. Patches to these tools have been available in Glenn's
repository on GitHub for a while, and they are next in line to be
applied. Moreover, Glenn's repository will need to be transferred to
its new home at https://github.com/pnggroup and that will be the
subject of a separate discussion.

On a personal note, I am aware that my long absence has been noticed.
It was hard for me to be away, but I am glad to announce that I'm back
and I'm able to continue. I would like to dedicate this release to my
daughter -- happy birthday, Maria!

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In the good old tradition of file authentication, here are the
SHA-2-256 checksums of the published files:

libpng-1.6.38.tar.gz
e2b5e1b4329650992c041996cf1269681b341191dc07ffed816c555769cceb77

libpng-1.6.38.tar.xz
b3683e8b8111ebf6f1ac004ebb6b0c975cd310ec469d98364388e9cedbfa68be

lpng1638.7z
b0f8777ed16b484fdf2f7bceeae4b457b7be3e74df7d367e4520fcca05650957

lpng1638.zip
b3dc7ca5ff67a7346ffd8454a463cfbfe6aee09f4b7ebf0a6c1cb17d886120d6

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Sincerely,
Cosmin